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pru-swuart-fw: add PRU Software UART Firmware recipe
Signed-off-by: Denys Dmytriyenko <denys@ti.com>
This commit is contained in:
Denys Dmytriyenko
+145
@@ -0,0 +1,145 @@
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From d37359e7b2bd26da4d04fc97a94967cf457558e9 Mon Sep 17 00:00:00 2001
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From: Denys Dmytriyenko <denys@ti.com>
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Date: Tue, 6 Aug 2019 19:50:59 -0400
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Subject: [PATCH] icss_uart: add Makefile for building firmware
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Signed-off-by: Denys Dmytriyenko <denys@ti.com>
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---
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firmware/icss_uart/src/Makefile | 125 ++++++++++++++++++++++++++++++++++++++++
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1 file changed, 125 insertions(+)
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create mode 100644 firmware/icss_uart/src/Makefile
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diff --git a/firmware/icss_uart/src/Makefile b/firmware/icss_uart/src/Makefile
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new file mode 100644
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index 0000000..4764622
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--- /dev/null
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+++ b/firmware/icss_uart/src/Makefile
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@@ -0,0 +1,125 @@
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+# PRU_CGT environment variable must point to the TI PRU code gen tools directory. E.g.:
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+#(Desktop Linux) export PRU_CGT=/path/to/pru/code/gen/tools/ti-cgt-pru_2.x.y
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+#(Windows) set PRU_CGT=C:/path/to/pru/code/gen/tools/ti-cgt-pru_2.x.y
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+#(ARM Linux*) export PRU_CGT=/usr/share/ti/cgt-pru
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+#
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+# *ARM Linux also needs to create a symbolic link to the /usr/bin/ directory in
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+# order to use the same Makefile
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+#(ARM Linux) ln -s /usr/bin/ /usr/share/ti/cgt-pru/bin
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+
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+ifndef PRU_CGT
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+define ERROR_BODY
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+
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+*******************************************************************************
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+PRU_CGT environment variable is not set. Examples given:
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+(Desktop Linux) export PRU_CGT=/path/to/pru/code/gen/tools/ti-cgt-pru_2.1.2
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+(Windows) set PRU_CGT=C:/path/to/pru/code/gen/tools/ti-cgt-pru_2.1.2
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+(ARM Linux*) export PRU_CGT=/usr/share/ti/cgt-pru
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+
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+*ARM Linux also needs to create a symbolic link to the /usr/bin/ directory in
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+order to use the same Makefile
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+(ARM Linux) ln -s /usr/bin/ /usr/share/ti/cgt-pru/bin
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+*******************************************************************************
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+
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+endef
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+$(error $(ERROR_BODY))
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+endif
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+
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+# PRU_SSP environment variable must point to the PRU Software Support Package. E.g.:
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+#(Desktop Linux) export PRU_SSP=/path/to/pru_software_support_package
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+#(Windows) set PRU_SSP=C:/path/to/pru_software_support_package
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+#(ARM Linux*) export PRU_SSP=/path/to/pru_software_support_package
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+
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+ifndef PRU_SSP
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+define ERROR_BODY
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+
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+*******************************************************************************
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+PRU_SSP environment variable must point to the PRU Software Support Package. E.g.:
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+(Desktop Linux) export PRU_SSP=/path/to/pru_software_support_package
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+(Windows) set PRU_SSP=C:/path/to/pru_software_support_package
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+(ARM Linux*) export PRU_SSP=/path/to/pru_software_support_package
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+PRU_CGT environment variable is not set. Examples given:
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+*******************************************************************************
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+
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+endef
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+$(error $(ERROR_BODY))
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+endif
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+
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+MKFILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
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+CURRENT_DIR := $(notdir $(patsubst %/,%,$(dir $(MKFILE_PATH))))
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+PROJ_NAME=$(CURRENT_DIR)
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+LINKER_COMMAND_FILE=./AM335x_PRU.cmd
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+LIBS=--library=$(PRU_SSP)/lib/rpmsg_lib.lib
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+INCLUDE=--include_path=$(PRU_SSP)/include --include_path=$(PRU_SSP)/include/am335x
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+STACK_SIZE=0x100
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+HEAP_SIZE=0x100
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+GEN_DIR=gen
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+
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+#Common compiler and linker flags (Defined in 'PRU Optimizing C/C++ Compiler User's Guide)
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+CFLAGS=-v3 -o2 --display_error_number --endian=little --hardware_mac=on --asm_directory=$(GEN_DIR) --obj_directory=$(GEN_DIR) --pp_directory=$(GEN_DIR) -ppd -ppa -DICSS_REV2
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+#Linker flags (Defined in 'PRU Optimizing C/C++ Compiler User's Guide)
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+LFLAGS=--reread_libs --warn_sections --stack_size=$(STACK_SIZE) --heap_size=$(HEAP_SIZE)
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+
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+TARGET=$(GEN_DIR)/$(PROJ_NAME).out
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+MAP=$(GEN_DIR)/$(PROJ_NAME).map
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+OBJECTS=$(patsubst %.asm,$(GEN_DIR)/%.object,$(wildcard *.asm))
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+OBJECTS+=$(patsubst %.c,$(GEN_DIR)/%.object,$(wildcard *.c))
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+
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+
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+all: printStart $(TARGET) printEnd
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+
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+printStart:
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+ @echo ''
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+ @echo '************************************************************'
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+ @echo 'Building project: $(PROJ_NAME)'
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+
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+printEnd:
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+ @echo ''
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+ @echo 'Output files can be found in the "$(GEN_DIR)" directory'
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+ @echo ''
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+ @echo 'Finished building project: $(PROJ_NAME)'
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+ @echo '************************************************************'
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+ @echo ''
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+
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+# Invokes the linker (-z flag) to make the .out file
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+$(TARGET): $(OBJECTS) $(LINKER_COMMAND_FILE)
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+ @echo ''
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+ @echo 'Building target: $@'
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+ @echo 'Invoking: PRU Linker'
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+ $(PRU_CGT)/bin/clpru $(CFLAGS) -z -i$(PRU_CGT)/lib -i$(PRU_CGT)/include $(LFLAGS) -o $(TARGET) $(OBJECTS) -m$(MAP) $(LINKER_COMMAND_FILE) --library=libc.a $(LIBS)
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+ @echo 'Finished building target: $@'
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+
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+# Invokes the compiler on all assembly files in the directory to create the object files
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+$(GEN_DIR)/%.object: %.asm
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+ @mkdir -p $(GEN_DIR)
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+ @echo ''
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+ @echo 'Building file: $<'
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+ @echo 'Invoking: PRU Compiler'
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+ $(PRU_CGT)/bin/clpru --include_path=$(PRU_CGT)/include $(INCLUDE) $(CFLAGS) -fe $@ $<
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+
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+# Invokes the compiler on all c files in the directory to create the object files
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+$(GEN_DIR)/%.object: %.c
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+ @mkdir -p $(GEN_DIR)
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+ @echo ''
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+ @echo 'Building file: $<'
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+ @echo 'Invoking: PRU Compiler'
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+ $(PRU_CGT)/bin/clpru -k --include_path=$(PRU_CGT)/include $(INCLUDE) $(CFLAGS) -fe $@ $<
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+
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+.PHONY: all clean
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+
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+# Remove the $(GEN_DIR) directory
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+clean:
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+ @echo ''
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+ @echo '************************************************************'
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+ @echo 'Cleaning project: $(PROJ_NAME)'
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+ @echo ''
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+ @echo 'Removing files in the "$(GEN_DIR)" directory'
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+ @rm -rf $(GEN_DIR)
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+ @echo ''
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+ @echo 'Finished cleaning project: $(PROJ_NAME)'
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+ @echo '************************************************************'
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+ @echo ''
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+
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+# Includes the dependencies that the compiler creates (-ppd and -ppa flags)
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+-include $(OBJECTS:%.object=%.pp)
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+
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--
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2.7.4
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@@ -0,0 +1,54 @@
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From 1b853cfd6194d3855310f47d43cb8c9f498b6182 Mon Sep 17 00:00:00 2001
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From: Bin Liu <b-liu@ti.com>
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Date: Wed, 27 Feb 2019 14:38:43 -0600
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Subject: [PATCH] icss_uart: remove dependency on PDK/CSL
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Signed-off-by: Bin Liu <b-liu@ti.com>
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---
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firmware/icss_uart/src/icss_ctrl_regs.h | 32 ++++----------------------------
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1 file changed, 4 insertions(+), 28 deletions(-)
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diff --git a/firmware/icss_uart/src/icss_ctrl_regs.h b/firmware/icss_uart/src/icss_ctrl_regs.h
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index ce640f5..99ec90d 100644
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--- a/firmware/icss_uart/src/icss_ctrl_regs.h
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+++ b/firmware/icss_uart/src/icss_ctrl_regs.h
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@@ -39,32 +39,8 @@
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.if !$isdefed("__icss_ctrl_regs_h")
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__icss_ctrl_regs_h .set 1
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- .cdecls C,NOLIST
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-%{
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-#include "cslr_icss.h"
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-%}
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-
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- .if $defined("ICSS_REV1")
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-ICSS_PRU_CTRL_CONTROL .set (CSL_ICSSM_PRU_CTRL_CONTROL)
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-ICSS_PRU_CTRL_STATUS .set (CSL_ICSSM_PRU_CTRL_STATUS)
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-ICSS_PRU_CTRL_WAKEUP_EN .set (CSL_ICSSM_PRU_CTRL_WAKEUP_EN)
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-ICSS_PRU_CTRL_CYCLE .set (CSL_ICSSM_PRU_CTRL_CYCLE)
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-ICSS_PRU_CTRL_STALL .set (CSL_ICSSM_PRU_CTRL_STALL)
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-ICSS_PRU_CTRL_CTBIR0 .set (CSL_ICSSM_PRU_CTRL_CTBIR0)
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-ICSS_PRU_CTRL_CTBIR1 .set (CSL_ICSSM_PRU_CTRL_CTBIR1)
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-ICSS_PRU_CTRL_CTPPR0 .set (CSL_ICSSM_PRU_CTRL_CTPPR0)
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-ICSS_PRU_CTRL_CTPPR1 .set (CSL_ICSSM_PRU_CTRL_CTPPR1)
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- .endif ;ICSS_REV1
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-
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- .if $defined("ICSS_REV2")
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-ICSS_PRU_CTRL_CONTROL .set (CSL_ICSSPRUCTRL_CONTROL)
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-ICSS_PRU_CTRL_STATUS .set (CSL_ICSSPRUCTRL_STATUS)
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-ICSS_PRU_CTRL_WAKEUP_EN .set (CSL_ICSSPRUCTRL_WAKEUP_EN)
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-ICSS_PRU_CTRL_CYCLE .set (CSL_ICSSPRUCTRL_CYCLE)
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-ICSS_PRU_CTRL_STALL .set (CSL_ICSSPRUCTRL_STALL)
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-ICSS_PRU_CTRL_CTBIR0 .set (CSL_ICSSPRUCTRL_CTBIR0)
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-ICSS_PRU_CTRL_CTBIR1 .set (CSL_ICSSPRUCTRL_CTBIR1)
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-ICSS_PRU_CTRL_CTPPR0 .set (CSL_ICSSPRUCTRL_CTPPR0)
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-ICSS_PRU_CTRL_CTPPR1 .set (CSL_ICSSPRUCTRL_CTPPR1)
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- .endif ;ICSS_REV2
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+ICSS_PRU_CTRL_CONTROL .set (0x0U)
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+ICSS_PRU_CTRL_STATUS .set (0x4U)
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+ICSS_PRU_CTRL_WAKEUP_EN .set (0x8U)
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+ICSS_PRU_CTRL_CYCLE .set (0xcU)
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.endif
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--
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2.7.4
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@@ -0,0 +1,40 @@
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SUMMARY = "Programmable Real-time Unit Software UART Firmware"
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LICENSE = "BSD-3-Clause"
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LIC_FILES_CHKSUM = "file://COPYING.txt;beginline=1;endline=31;md5=94b6a199da1caf777f6756cb70aca4a7"
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require recipes-ti/includes/ti-paths.inc
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COMPATIBLE_MACHINE = "ti33x"
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PACKAGE_ARCH = "${MACHINE_ARCH}"
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# Below commit ID corresponds to "DEV.UART_LLD.01.00.00.15"
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SRCREV = "4493f456549c85749a05b1f46bf0b75d23976db1"
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PV = "01.00.00.15"
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BRANCH = "master"
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SRC_URI = "git://git.ti.com/keystone-rtos/uart-lld.git;protocol=git;branch=${BRANCH} \
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file://0001-icss_uart-add-Makefile-for-building-firmware.patch \
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file://0001-icss_uart-remove-dependency-on-PDK-CSL.patch \
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"
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DEPENDS = "ti-cgt-pru-native pru-icss"
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S = "${WORKDIR}/git"
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export PRU_CGT = "${TI_CGT_PRU_INSTALL_DIR}"
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export PRU_SSP = "${STAGING_DIR_TARGET}/usr"
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do_compile() {
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oe_runmake -C firmware/icss_uart/src
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}
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do_install() {
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install -d ${D}/lib/firmware/ti-pruss
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install -m 0644 ${S}/firmware/icss_uart/src/gen/src.out ${D}/lib/firmware/ti-pruss/pru_swuart-fw.elf
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}
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FILES_${PN} = "/lib/firmware"
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INSANE_SKIP_${PN} = "arch"
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